@keyframes loginFallDown
{
    0%   {margin-top:-600px;}
    25%  {margin-top:-300px;}
    50%  {margin-top:100px;transform: rotate(0deg);}
    60%{transform: rotate(-10deg);}
    65%{transform: rotate(0deg);}
    70%{transform: rotate(10deg);}
    75%{transform: rotate(0deg);}
    100% {margin-top:100px;}
}